drm/i915: there's no DSPSIZE register on gen4+
authorPaulo Zanoni <paulo.r.zanoni@intel.com>
Wed, 6 Mar 2013 23:03:13 +0000 (20:03 -0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Sun, 17 Mar 2013 20:29:10 +0000 (21:29 +0100)
commit51889b35224cb05b5a9d187f3ebf872653ae06d2
tree508fb9ca97d1e3898cdde4012e37e8edb8e0a844
parenta18c4c3d8fd5c0abe955b85a41f50798f321618f
drm/i915: there's no DSPSIZE register on gen4+

So don't read it when capturing the error state. This solves some
"unclaimed register" messages on Haswell when we hang the GPU.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_display.c